admin onboarding (#4863)

# Description of Changes

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Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)
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---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

---------

Co-authored-by: EthanHealy01 <[email protected]>

frontend/src/core/components/shared/AppConfigModal.tsx

@@ -154,6 +154,7 @@ const AppConfigModal: React.FC<AppConfigModalProps> = ({ opened, onClose }) => {
                           opacity: isDisabled ? 0.5 : 1,
                           cursor: isDisabled ? 'not-allowed' : 'pointer',
                         }}
+                        data-tour={`admin-${item.key}-nav`}
                       >
                         <LocalIcon icon={item.icon} width={iconSize} height={iconSize} style={{ color }} />
                         {!isMobile && (
@@ -185,7 +186,7 @@ const AppConfigModal: React.FC<AppConfigModalProps> = ({ opened, onClose }) => {
         </div>
 
         {/* Right content */}
-        <div className="modal-content">
+        <div className="modal-content" data-tour="settings-content-area">
           <div className="modal-content-scroll">
             {/* Sticky header with section title and small close button */}
             <div